257689836

素因数分解:

$2^2\times 3^{10}\times {\mathrm{1091}}^1$

素因数の和:1125

約数の個数: 66

約数和(自身を含む): 677052012

約数和(自身を除く): 419362176

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 729, 972, 1091, 1458, 2182, 2187, 2916, 3273, 4364, 4374, 6546, 6561, 8748, 9819, 13092, 13122, 19638, 19683, 26244, 29457, 39276, 39366, 58914, 59049, 78732, 88371, 117828, 118098, 176742, 236196, 265113, 353484, 530226, 795339, 1060452, 1590678, 2386017, 3181356, 4772034, 7158051, 9544068, 14316102, 21474153, 28632204, 42948306, 64422459, 85896612, 128844918, 257689836]

約数ペア:

[(1, 257689836), (2, 128844918), (3, 85896612), (4, 64422459), (6, 42948306), (9, 28632204), (12, 21474153), (18, 14316102), (27, 9544068), (36, 7158051), (54, 4772034), (81, 3181356), (108, 2386017), (162, 1590678), (243, 1060452), (324, 795339), (486, 530226), (729, 353484), (972, 265113), (1091, 236196), (1458, 176742), (2182, 118098), (2187, 117828), (2916, 88371), (3273, 78732), (4364, 59049), (4374, 58914), (6546, 39366), (6561, 39276), (8748, 29457), (9819, 26244), (13092, 19683), (13122, 19638)]